<template>
  <div class="app-container">
    <el-form :inline="true">
      <el-form-item label="分类名称">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入分类名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态">
        <el-select v-model="queryParams.status" placeholder="分类状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button
          class="filter-item"
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
        >搜索
        </el-button>
        <el-button
          class="filter-item"
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:dept:add']"
        >新增
        </el-button>
      </el-form-item>
    </el-form>

    <el-table
      v-loading="loading"
      :data="deptList"
      row-key="categoryId"
      default-expand-all
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="categoryName" label="分类名称" width="360"></el-table-column>
      <el-table-column prop="orderNum" label="排序" width="200"></el-table-column>
      <el-table-column prop="remark" label="备注" width="200"></el-table-column>
      <el-table-column prop="defaultName" label="默认名称" width="200"></el-table-column>
      <el-table-column prop="status" label="状态" :formatter="statusFormat" width="100"></el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="200">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:dept:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:dept:add']"
          >新增
          </el-button>
          <el-button
            v-if="scope.row.parentId != 0"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:dept:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改部门对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24" v-if="form.parentId !== 0">
            <el-form-item label="上级分类" prop="parentId">
              <treeselect v-model="form.parentId" :options="deptOptions" :normalizer="normalizer" placeholder="选择上级分类"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="分类名称" prop="categoryName">
              <el-input v-model="form.categoryName" placeholder="请输入分类名称"/>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0"/>
            </el-form-item>
          </el-col>


          <el-col :span="12">
            <el-form-item label="分类状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{ dict.dictLabel }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>

        </el-row>
        <el-row>
          <el-col>
            <el-form-item label="备注" prop="categoryName">
              <el-input v-model="form.remark" type="textarea" placeholder="请输入分类名称"/>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listProductCategory, getDept, delDept, addDept, updateDept, listDeptExcludeChild} from "@/api/system/deviceCategory";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Dept",
  components: {Treeselect},
  data() {
    return {
      // 遮罩层
      loading: true,
      // 表格树数据
      deptList: [],
      // 部门树选项
      deptOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        categoryName: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        parentId: [
          {required: true, message: "上级部门不能为空", trigger: "blur"}
        ],
        deptName: [
          {required: true, message: "部门名称不能为空", trigger: "blur"}
        ],
        orderNum: [
          {required: true, message: "菜单顺序不能为空", trigger: "blur"}
        ],
        email: [
          {
            type: "email",
            message: "'请输入正确的邮箱地址",
            trigger: ["blur", "change"]
          }
        ],
        phone: [
          {
            pattern: /^1[3|4|5|6|7|8|9][0-9]\d{8}$/,
            message: "请输入正确的手机号",
            trigger: "blur"
          }
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getDictDataByType("sys_normal_disable").then(response => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    /** 查询产品类型列表 */
    getList() {
      this.loading = true;
      listProductCategory(this.queryParams).then(response => {
        this.deptList = this.handleTree(response.data, "categoryId");
        this.loading = false;
      });
    },
    /** 转换部门数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.categoryId,
        label: node.categoryName,
        children: node.children
      };
    },
    // 字典状态字典翻译
    statusFormat(row, column) {
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        categoryId: undefined,
        parentId: undefined,
        categoryName: undefined,
        orderNum: undefined,
        leader: undefined,
        phone: undefined,
        email: undefined,
        status: "0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      if (row != undefined) {
        this.form.parentId = row.categoryId;
      }
      this.open = true;
      this.title = "添加分类";
      listProductCategory().then(response => {
        this.deptOptions = this.handleTree(response.data, "categoryId");
        // 获取显示排序, 获取父节点的所有子节点, 得到子节点中的最大排序值, 然后加1
        if (this.form.parentId) {

          // 需要使用json重新解析
          let deptTree = JSON.parse(JSON.stringify(this.deptOptions))
          let orderNum = 1
          const parentNode = this.getNodeByDeptId(deptTree[0], this.form.parentId)
          // 若成功获取父节点
          if (parentNode) {
            console.log("获取成功nodeTree" + parentNode)
            const childrenNodes = parentNode.children
            // 若含有子节点
            if (childrenNodes) {
              console.log("childrenNodes" + childrenNodes)
              // 遍历子节点, 获取最大排序值
              for (let i = 0, len = childrenNodes.length; i < len; i++) {
                if (orderNum < childrenNodes[i].orderNum) {
                  orderNum = childrenNodes[i].orderNum
                }
              }
              orderNum++
            }
          }
          this.form.orderNum = orderNum
        }
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      getDept(row.categoryId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改设备信息";
      });
      listDeptExcludeChild(row.categoryId).then(response => {
        this.deptOptions = this.handleTree(response.data, "categoryId");
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.categoryId != undefined) {
            updateDept(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            });
          } else {
            addDept(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm('是否确认删除名称为"' + row.categoryName + '"的数据项?', "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function () {
        return delDept(row.categoryId);
      }).then(() => {
        this.getList();
        this.msgSuccess("删除成功");
      }).catch(function () {
      });
    },
    /**
     * 从递归暂时有点问题
     * 根据deptId获取组织结构树中的节点
     * @param nodeTree
     * @param deptId
     * @returns {*}
     */
    getNodeByDeptId(nodeTree, deptId) {
      if (nodeTree) {
        if (nodeTree.categoryId === deptId) {
          return nodeTree
        }
        let childrenNodes = nodeTree.children

        if (childrenNodes) {
          for (let i = 0, len = childrenNodes.length; i < len; i++) {
            this.getNodeByDeptId(childrenNodes[i], deptId)
          }
        }
      }
    }
  }
};
</script>
